Gray, W. H., Hallissy, J. M., & Heath, A. R. (1954). A wind tunnel investigation of the effects of thrust axis inclination on propeller first order vibration. NACA.
Chicago Style (17th ed.) CitationGray, W. H., J. M. Hallissy, and A. R. Heath. A Wind Tunnel Investigation of the Effects of Thrust Axis Inclination on Propeller First Order Vibration. Washington: NACA, 1954.
MLA (9th ed.) CitationGray, W. H., et al. A Wind Tunnel Investigation of the Effects of Thrust Axis Inclination on Propeller First Order Vibration. NACA, 1954.
Warning: These citations may not always be 100% accurate.